package com.atguigu.gulimall.product.service.impl;

import com.alibaba.fastjson.TypeReference;
import com.atguigu.common.TO.SkuHasStockVo;
import com.atguigu.common.TO.es.SkuEsModel;
import com.atguigu.common.constant.ProductConstant;
import com.atguigu.gulimall.product.feign.SearchFeignService;
import com.atguigu.gulimall.product.feign.WareFeignService;
import io.seata.spring.annotation.GlobalTransactional;
import org.apache.commons.lang.StringUtils;
import com.atguigu.common.TO.SkuReductionTo;
import com.atguigu.common.TO.SpuBoundTo;
import com.atguigu.common.utils.R;
import com.atguigu.gulimall.product.entity.*;
import com.atguigu.gulimall.product.feign.CouponFeignService;
import com.atguigu.gulimall.product.service.*;
import com.atguigu.gulimall.product.vo.*;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.stereotype.Service;

import java.math.BigDecimal;
import java.util.*;
import java.util.stream.Collectors;

import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.atguigu.common.utils.PageUtils;
import com.atguigu.common.utils.Query;

import com.atguigu.gulimall.product.dao.SpuInfoDao;
import org.springframework.transaction.annotation.Transactional;


@Service("spuInfoService")
public class SpuInfoServiceImpl extends ServiceImpl<SpuInfoDao, SpuInfoEntity> implements SpuInfoService {
    @Autowired
    SpuInfoDescService spuInfoDescService;
    @Autowired
    SpuImagesService imagesService;
    @Autowired
    AttrService attrService;
    @Autowired
    ProductAttrValueService productAttrValueService;
    @Autowired
    SkuInfoService skuInfoService;
    @Autowired
    SkuImagesService skuImagesService;
    @Autowired
    SkuSaleAttrValueService skuSaleAttrValueService;
    @Autowired
    CouponFeignService couponFeignService;
    @Autowired
    BrandService brandService;
    @Autowired
    CategoryService categoryService;
    @Autowired
    WareFeignService wareFeignService;
    @Autowired
    SearchFeignService searchFeignService;
    @Override
    public PageUtils queryPage(Map<String, Object> params) {
        IPage<SpuInfoEntity> page = this.page(
                new Query<SpuInfoEntity>().getPage(params),
                new QueryWrapper<SpuInfoEntity>()
        );

        return new PageUtils(page);
    }

    @GlobalTransactional//seata AT
    @Transactional
    @Override
    public void saveSpuInfo(SpuSaveVo vo) {
        //1、保存spu基本信息: pms_spu_info
        SpuInfoEntity infoEntity = new SpuInfoEntity();
        BeanUtils.copyProperties(vo,infoEntity);
        infoEntity.setCreateTime(new Date());
        infoEntity.setUpdateTime(new Date());
        this.saveBaseSpuInfo(infoEntity);
        //2、保存spu的描述图片 pms_spu_info_desc
        List<String> decript = vo.getDecript();
        SpuInfoDescEntity descEntity = new SpuInfoDescEntity();
        descEntity.setSpuId(infoEntity.getId());
        descEntity.setDecript(String.join(",",decript));
        spuInfoDescService.saveSpuInfoDesc(descEntity);
        //3、保存spu的图片集 pms_spu_images
        List<String> images =vo.getImages();
        imagesService.saveImages(infoEntity.getId(),images);
        //4、保存spu的规格参数 pms_product_attr_value
        List<BaseAttrs> baseAttrs= vo.getBaseAttrs();
        List<ProductAttrValueEntity> collect = baseAttrs.stream().map(attr ->{
            ProductAttrValueEntity valueEntity = new ProductAttrValueEntity();
            valueEntity.setAttrId(attr.getAttrId());
            AttrEntity id = attrService.getById(attr.getAttrId());
            valueEntity.setAttrName(id.getAttrName());
            valueEntity.setAttrValue(attr.getAttrValues());
            valueEntity.setQuickShow(attr.getShowDesc());
            valueEntity.setSpuId(infoEntity.getId());
            return valueEntity;
        }).collect(Collectors.toList());
        productAttrValueService.saveProductAttrValue(collect);
        //5、保存spu的积分信息 gulimall_sms->sms_spu_bounds
       Bounds bounds = new Bounds();
        SpuBoundTo spuBoundTo = new SpuBoundTo();
        BeanUtils.copyProperties(bounds,spuBoundTo);
        spuBoundTo.setSpuId(infoEntity.getId());
       R r= couponFeignService.saveSpuBounds(spuBoundTo);
        if(r.getCode() == 0){
            log.error("保存远程积分信息失败");
        }
        //5、保存当前spu对应的所有sku信息
        List<Skus> skus = vo.getSkus();
        if(skus != null && skus.size()>0){
            skus.forEach(item ->{
                String defaultImg = "";
                for (Images image :item.getImages()) {
                    if(image.getDefaultImg() == 1){
                        defaultImg = image.getImgUrl();
                    }
                }
                //    private List<Attr> attr;
                //    private String skuName;
                //    private BigDecimal price;
                //    private String skuTitle;
                SkuInfoEntity skuInfoEntity = new SkuInfoEntity();
                BeanUtils.copyProperties(item,skuInfoEntity);
                skuInfoEntity.setBrandId(infoEntity.getBrandId());
                skuInfoEntity.setCatalogId(infoEntity.getCatalogId());
                skuInfoEntity.setSaleCount(0L);
                skuInfoEntity.setSpuId(infoEntity.getId());
                skuInfoEntity.setSkuDefaultImg(defaultImg);
                //5.1)、sku的基本信息: pms_sku_info
                skuInfoService.saveSkuInfo(skuInfoEntity);

                //插入获得id
                Long skuId = skuInfoEntity.getSkuId();
                List<SkuImagesEntity> imagesEntities = item.getImages().stream().map(img ->{
                    SkuImagesEntity skuImagesEntity = new SkuImagesEntity();
                    skuImagesEntity.setSkuId(skuId);
                    skuImagesEntity.setImgUrl(img.getImgUrl());
                    skuImagesEntity.setDefaultImg(img.getDefaultImg());
                    return skuImagesEntity;
                }).filter(entity->{
                    //返回true就是需要,false就是删除
                    return !StringUtils.isEmpty(entity.getImgUrl());
                }).collect(Collectors.toList());
                //5.2)、sku的图片信息: pms_sku_images
                skuImagesService.saveBatch(imagesEntities);

                List<Attr> attr = item.getAttr();
                List<SkuSaleAttrValueEntity> skuSaleAttrValueEntities = attr.stream().map(a ->{
                    SkuSaleAttrValueEntity attrValueEntity = new SkuSaleAttrValueEntity();
                    BeanUtils.copyProperties(a,attrValueEntity);
                    attrValueEntity.setSkuId(skuId);
                    return attrValueEntity;
                }).collect(Collectors.toList());
                //5.3)、sku的销售属性信息: pms_sku_sale_attr_value
                skuSaleAttrValueService.saveBatch(skuSaleAttrValueEntities);

                //5.4)、sku的优惠,满减等信息: gulimall_sms->sms_sku_ladder\sms_sku_full_reduction\sms_sku_price
                SkuReductionTo skuReductionTo = new SkuReductionTo();
                BeanUtils.copyProperties(item,skuReductionTo);
                skuReductionTo.setSkuId(skuId);
                if(skuReductionTo.getFullCount()>0 || skuReductionTo.getFullPrice().compareTo(new BigDecimal("0")) == 1){
                    R r1 = couponFeignService.saveSkuReduction(skuReductionTo);
                    if(r1.getCode() == 0){
                        log.error("保存远程sku优惠信息失败");
                    }
                }

            });
        }

    }



    @Override
    public void saveBaseSpuInfo(SpuInfoEntity infoEntity) {
        this.baseMapper.insert(infoEntity);
    }

    @Override
    public PageUtils queryPageByCondition(Map<String, Object> params) {
        QueryWrapper<SpuInfoEntity> queryWrapper = new QueryWrapper<>();

        String key = (String) params.get("key");
        if (!StringUtils.isEmpty(key)) {
            queryWrapper.and((wrapper) -> {
                wrapper.eq("id",key).or().like("spu_name",key);
            });
        }

        String status = (String) params.get("status");
        if (!StringUtils.isEmpty(status)) {
            queryWrapper.eq("publish_status",status);
        }

        String brandId = (String) params.get("brandId");
        if (!StringUtils.isEmpty(brandId) && !"0".equalsIgnoreCase(brandId)) {
            queryWrapper.eq("brand_id",brandId);
        }

        String catelogId = (String) params.get("catelogId");
        if (!StringUtils.isEmpty(catelogId) && !"0".equalsIgnoreCase(catelogId)) {
            queryWrapper.eq("catalog_id",catelogId);
        }

        IPage<SpuInfoEntity> page = this.page(new Query<SpuInfoEntity>().getPage(params), queryWrapper);

        return new PageUtils(page);
    }

    @Override
    public void up(Long spuId) {
        new ArrayList<>();
        //1、查出当前spuId对应的所有的sku信息,品牌名字
        List<SkuInfoEntity>  skus =skuInfoService.getSkuBySpuId(spuId);
        System.out.println("------------------" +skus.get(0).getBrandId());
        List<Long> skuIdList = skus.stream().map(SkuInfoEntity::getSkuId).collect(Collectors.toList());
        //TODO 4、查询当前sku的所有可以被用来检索的规格属性
        List<ProductAttrValueEntity> baseAttrs =  productAttrValueService.baseAttrlistforspu(spuId);
        List<Long> attrIds =baseAttrs.stream().map(attr->{
            return attr.getAttrId();
        }).collect(Collectors.toList());
        List<Long> searAttrIds = attrService.selectSearchAttrIds(attrIds);
        Set<Long> idSet = new HashSet<>(searAttrIds);
//        List<SkuEsModel.Attrs> attrs = new ArrayList<>();
        List<SkuEsModel.Attrs> attrsList= baseAttrs.stream().filter(item ->{
            return idSet.contains(item.getAttrId());
        }).map(item ->{
            SkuEsModel.Attrs attrs1 = new SkuEsModel.Attrs();
            BeanUtils.copyProperties(item,attrs1);
            return attrs1;
        }).collect(Collectors.toList());

        //TODO 1、发送远程调用,库存系统查询是否有库存
        Map<Long, Boolean> stockMap = null;
        try {
            R skuHasStock = wareFeignService.getSkuHasStock(skuIdList);
            //
            TypeReference<List<SkuHasStockVo>> typeReference = new TypeReference<List<SkuHasStockVo>>() {};
            List<SkuHasStockVo>  stockMap1 = (List<SkuHasStockVo>) skuHasStock.getData(typeReference);
            stockMap= stockMap1.stream()
                    .collect(Collectors.toMap(SkuHasStockVo::getSkuId, item -> item.getHasStock()));
        }catch(Exception e){
            log.error("库存服务查询异常，原因{}",e);
        }
        //2、封装每个sku的信息
        Map<Long, Boolean> finalStockMap = stockMap;
        List<SkuEsModel> upProducts =  skus.stream().map(sku ->{
            //组装需要的数据
            System.out.println("+++++++++++"+sku.getBrandId());
            SkuEsModel esModel = new SkuEsModel();

            //skuPrice,skuImg
            esModel.setSkuPrice(sku.getPrice());
            esModel.setSkuImg(sku.getSkuDefaultImg());

            // hasStock,hotScore
            if(finalStockMap == null){
                esModel.setHasStock(true);
            }else{
                System.out.println("-------------------------");
                esModel.setHasStock(finalStockMap.get(sku.getSkuId()));
            }
            //TODO 2、热度评分0
            esModel.setHotScore(0L);
            //TODO 3、查询品牌和分类的名字信息
            System.out.println("--------------------"+esModel.getBrandId());
            BrandEntity brand = brandService.getById(sku.getBrandId());

            System.out.println("---//////-----"+brand+"------------"+brand.getName());
            esModel.setBrandName(brand.getName());
            esModel.setBrandId(brand.getBrandId());
            System.out.println("---0-----------------");
            esModel.setBrandImg(brand.getLogo());
            System.out.println("---1-----------------");
            CategoryEntity categoryEntity = categoryService.getById(sku.getCatalogId());
            System.out.println("-----2---------------");
            esModel.setCatalogId(categoryEntity.getCatId());
            esModel.setCatalogName(categoryEntity.getName());
            System.out.println("-----3---------------");
            //设置检索属性
            esModel.setAttrs(attrsList);
            System.out.println("-----4---------------");
            BeanUtils.copyProperties(sku,esModel);
            return esModel;
        }).collect(Collectors.toList());
        //TODO 5、将数据发送给es进行保存 gulimall-search
        System.out.println(",,,,,,,,,,,,,,,,,,,,,,");
        System.out.println(upProducts);
        R r = searchFeignService.productStatusUp(upProducts);
        System.out.println(",,,,,,,,,,,,,,,,,,,,,,");
        System.out.println(r.getCode());
        System.out.println(r);
        if(r.getCode() == 0){
            //远程调用成功
            //TODO 6、修改当前spu的状态

            baseMapper.updateSpuStatus(spuId, ProductConstant.StatusEnum.SPU_UP.getCode());
            System.out.println("修改spu成功");
        }else{
            System.out.println("修改失败");
            //远程调用失败
            //TODO 7、重复调用？ 接口幂等性 重试机制？
            //Feign调用流程
            /**
             * 1、构造请求数据,将对象转为json
             * requesttemplate template = buildTemplateFromArgs.create(argv);
             *
             * 2、发送请求进行执行（执行成功会解码响应数据）
             * executeAndDecode(template);
             * 3、执行请求会有重试机制
             * while(true){
             *     try{
             *          executeAndDecode(template);
             *     }catch(){
             *          retryer.continueOrPropagte(e);
             *     }
             * }
             *
             */
        }

    }

    @Override
    public SpuInfoEntity getSpuInfoBySkuId(Long skuId) {
        SkuInfoEntity byId = skuInfoService.getById(skuId);
        Long spuId = byId.getSpuId();
        SpuInfoEntity spuInfoEntity = getById(spuId);

        return spuInfoEntity;
    }


}